build/org.eclipse.cdt.autotools.core/src/org/eclipse/cdt/internal/autotools/core/ErrorParser.java - cdt/org.eclipse.cdt - Git at Google

 /*******************************************************************************
  * Copyright (c) 2010, 2016 Red Hat Inc. and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  * Contributors:
  *     Red Hat Inc. - initial API and implementation
  *     Sergey Prigogin (Google)
  *******************************************************************************/
 package org.eclipse.cdt.internal.autotools.core;

 import java.io.File;
 import java.io.FileReader;
 import java.io.IOException;
 import java.io.LineNumberReader;
 import java.lang.reflect.Method;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;

 import org.eclipse.cdt.autotools.core.AutotoolsPlugin;
 import org.eclipse.cdt.core.IErrorParser;
 import org.eclipse.cdt.core.ProblemMarkerInfo;
 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.Path;

 // This class would normally extend IErrorParser and use the CDT error parser
 // extension.  However, we want an extended IMarker that contains library info and
 // possibly other data in the future.  The standard CDT ErrorParserManager doesn't allow
 // us to pass an extended ProblemMarkerInfo, so we are forced to have our own mechanism
 // which is similar to the CDT one.
 public class ErrorParser extends MarkerGenerator implements IErrorParser {
 	public static final String ID = AutotoolsPlugin.PLUGIN_ID + ".errorParser"; //$NON-NLS-1$
 	private Pattern pkgconfigError = Pattern
 			.compile(".*?(configure:\\s+error:\\s+Package requirements\\s+\\((.*?)\\)\\s+were not met).*"); //$NON-NLS-1$
 	private Pattern genconfigError = Pattern.compile(".*?configure:\\s+error:\\s+(.*)"); //$NON-NLS-1$
 	private Pattern checkingFail = Pattern.compile("checking for (.*)\\.\\.\\. no"); //$NON-NLS-1$

 	private Pattern changingConfigDirectory = Pattern.compile("Configuring in (.*)"); //$NON-NLS-1$

 	private IPath buildDir;
 	private IPath sourcePath;
 	private IProject project;

 	public ErrorParser() {
 	}

 	public ErrorParser(IPath sourcePath, IPath buildPath) {
 		this.buildDir = buildPath;
 		this.sourcePath = sourcePath;
 	}

 	@Override
 	public boolean processLine(String line, org.eclipse.cdt.core.ErrorParserManager eoParser) {

 		if (this.project == null)
 			this.project = eoParser.getProject();

 		if (this.buildDir == null)
 			this.buildDir = new Path(eoParser.getWorkingDirectoryURI().getPath());

 		if (this.sourcePath == null)
 			this.sourcePath = eoParser.getProject().getLocation();

 		AutotoolsProblemMarkerInfo marker = processLine(line);
 		if (marker != null) {
 			// Check to see if addProblemMarker exists.
 			try {
 				Method method = eoParser.getClass().getMethod("addProblemMarker", ProblemMarkerInfo.class); //$NON-NLS-1$
 				try {
 					method.invoke(eoParser, marker);
 					return true;
 				} catch (Exception e) {
 					throw new RuntimeException(e);
 				}
 			} catch (SecurityException | NoSuchMethodException e) {
 				return false;
 			}
 		}
 		return false;
 	}

 	public boolean processLine(String line, ErrorParserManager eoParser) {
 		if (this.project == null)
 			this.project = eoParser.getProject();

 		AutotoolsProblemMarkerInfo marker = processLine(line);
 		if (marker != null) {
 			eoParser.addProblemMarker(marker);
 			return true;
 		}
 		return false;
 	}

 	public AutotoolsProblemMarkerInfo processLine(String line) {
 		Matcher m;

 		m = changingConfigDirectory.matcher(line);
 		if (m.matches()) {
 			// set configuration directory.
 			this.buildDir = this.buildDir.append(m.group(1));
 			this.sourcePath = this.sourcePath.append(m.group(1));
 			return null;
 		}

 		m = pkgconfigError.matcher(line);
 		if (m.matches()) {
 			return new AutotoolsProblemMarkerInfo(getProject(), -1, m.group(1), SEVERITY_ERROR_BUILD, null, null,
 					m.group(2), AutotoolsProblemMarkerInfo.Type.PACKAGE);
 		}

 		m = genconfigError.matcher(line);
 		if (m.matches()) {
 			return new AutotoolsProblemMarkerInfo(getProject(), -1, m.group(1), SEVERITY_ERROR_BUILD, null,
 					AutotoolsProblemMarkerInfo.Type.GENERIC);
 		}

 		m = checkingFail.matcher(line);
 		if (m.matches()) {
 			// We know that there is a 'checking for ...' fail.
 			// Find the log file containing this check
 			AutotoolsProblemMarkerInfo.Type type = getCheckType(m.group(1));
 			if (type != null)
 				return new AutotoolsProblemMarkerInfo(getProject(), "Missing " + type + " " + m.group(1), SEVERITY_INFO,
 						m.group(1), type);
 		}

 		return null;
 	}

 	/**
 	 * Given the name of the filed check object, look for it in the log file
 	 * file and then examine the configure script to figure out what the type of
 	 * the check was.
 	 *
 	 * @param name
 	 * @return
 	 */
 	private AutotoolsProblemMarkerInfo.Type getCheckType(String name) {
 		int lineNumber = getErrorConfigLineNumber(name);

 		// now open configure file.
 		File file = new File(sourcePath + "/configure"); //$NON-NLS-1$
 		// If the log file is not present there is nothing we can do.
 		if (!file.exists())
 			return null;

 		try (LineNumberReader reader = new LineNumberReader(new FileReader(file))) {

 			// look for something like:
 			// if test "${ac_cv_prog_WINDRES+set}" = set; then :
 			Pattern errorPattern = Pattern.compile(".*ac_cv_([a-z]*)_.*"); //$NON-NLS-1$

 			// skip to the line
 			String line = reader.readLine();
 			for (int i = 0; i < lineNumber + 10 && line != null; i++) {
 				if (i < lineNumber) {
 					line = reader.readLine();
 					continue;
 				}
 				Matcher m = errorPattern.matcher(line);
 				if (m.matches()) {
 					String typeString = m.group(1);
 					if (typeString.equals("prog")) //$NON-NLS-1$
 						return AutotoolsProblemMarkerInfo.Type.PROG;
 					if (typeString.equals("header")) //$NON-NLS-1$
 						return AutotoolsProblemMarkerInfo.Type.HEADER;
 					if (typeString.equals("file")) //$NON-NLS-1$
 						return AutotoolsProblemMarkerInfo.Type.FILE;
 					if (typeString.equals("lib")) //$NON-NLS-1$
 						return AutotoolsProblemMarkerInfo.Type.LIB;

 					return null;
 				}
 				line = reader.readLine();
 			}
 		} catch (Exception e) {
 			throw new RuntimeException(e);
 		}

 		return null;
 	}

 	/**
 	 * Check the log file for the check for the given name and return the line
 	 * number in configure where the check occurs.
 	 *
 	 * @param name
 	 * @return
 	 */
 	private int getErrorConfigLineNumber(String name) {
 		File file = new File(buildDir + "/config.log"); //$NON-NLS-1$
 		// If the log file is not present there is nothing we can do.
 		if (!file.exists())
 			return -1;
 		try (LineNumberReader reader = new LineNumberReader(new FileReader(file))) {
 			Pattern errorPattern = Pattern.compile("configure:(\\d+): checking for " + name); //$NON-NLS-1$
 			String line;
 			while ((line = reader.readLine()) != null) {
 				Matcher m = errorPattern.matcher(line);
 				if (m.matches()) {
 					return Integer.parseInt(m.group(1));
 				}
 			}
 		} catch (IOException e) {
 			return -1;
 		}
 		return -1;
 	}

 	@Override
 	public IProject getProject() {
 		return this.project;
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2010, 2016 Red Hat Inc. and others.
	*
	* This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* Red Hat Inc. - initial API and implementation
	* Sergey Prigogin (Google)
	*******************************************************************************/
	package org.eclipse.cdt.internal.autotools.core;

	import java.io.File;
	import java.io.FileReader;
	import java.io.IOException;
	import java.io.LineNumberReader;
	import java.lang.reflect.Method;
	import java.util.regex.Matcher;
	import java.util.regex.Pattern;

	import org.eclipse.cdt.autotools.core.AutotoolsPlugin;
	import org.eclipse.cdt.core.IErrorParser;
	import org.eclipse.cdt.core.ProblemMarkerInfo;
	import org.eclipse.core.resources.IProject;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.Path;

	// This class would normally extend IErrorParser and use the CDT error parser
	// extension. However, we want an extended IMarker that contains library info and
	// possibly other data in the future. The standard CDT ErrorParserManager doesn't allow
	// us to pass an extended ProblemMarkerInfo, so we are forced to have our own mechanism
	// which is similar to the CDT one.
	public class ErrorParser extends MarkerGenerator implements IErrorParser {
	public static final String ID = AutotoolsPlugin.PLUGIN_ID + ".errorParser"; //$NON-NLS-1$
	private Pattern pkgconfigError = Pattern
	.compile(".?(configure:\\s+error:\\s+Package requirements\\s+\\((.?)\\)\\s+were not met).*"); //$NON-NLS-1$
	private Pattern genconfigError = Pattern.compile(".?configure:\\s+error:\\s+(.)"); //$NON-NLS-1$
	private Pattern checkingFail = Pattern.compile("checking for (.*)\\.\\.\\. no"); //$NON-NLS-1$

	private Pattern changingConfigDirectory = Pattern.compile("Configuring in (.*)"); //$NON-NLS-1$

	private IPath buildDir;
	private IPath sourcePath;
	private IProject project;

	public ErrorParser() {
	}

	public ErrorParser(IPath sourcePath, IPath buildPath) {
	this.buildDir = buildPath;
	this.sourcePath = sourcePath;
	}

	@Override
	public boolean processLine(String line, org.eclipse.cdt.core.ErrorParserManager eoParser) {

	if (this.project == null)
	this.project = eoParser.getProject();

	if (this.buildDir == null)
	this.buildDir = new Path(eoParser.getWorkingDirectoryURI().getPath());

	if (this.sourcePath == null)
	this.sourcePath = eoParser.getProject().getLocation();

	AutotoolsProblemMarkerInfo marker = processLine(line);
	if (marker != null) {
	// Check to see if addProblemMarker exists.
	try {
	Method method = eoParser.getClass().getMethod("addProblemMarker", ProblemMarkerInfo.class); //$NON-NLS-1$
	try {
	method.invoke(eoParser, marker);
	return true;
	} catch (Exception e) {
	throw new RuntimeException(e);
	}
	} catch (SecurityException \| NoSuchMethodException e) {
	return false;
	}
	}
	return false;
	}

	public boolean processLine(String line, ErrorParserManager eoParser) {
	if (this.project == null)
	this.project = eoParser.getProject();

	AutotoolsProblemMarkerInfo marker = processLine(line);
	if (marker != null) {
	eoParser.addProblemMarker(marker);
	return true;
	}
	return false;
	}

	public AutotoolsProblemMarkerInfo processLine(String line) {
	Matcher m;

	m = changingConfigDirectory.matcher(line);
	if (m.matches()) {
	// set configuration directory.
	this.buildDir = this.buildDir.append(m.group(1));
	this.sourcePath = this.sourcePath.append(m.group(1));
	return null;
	}

	m = pkgconfigError.matcher(line);
	if (m.matches()) {
	return new AutotoolsProblemMarkerInfo(getProject(), -1, m.group(1), SEVERITY_ERROR_BUILD, null, null,
	m.group(2), AutotoolsProblemMarkerInfo.Type.PACKAGE);
	}

	m = genconfigError.matcher(line);
	if (m.matches()) {
	return new AutotoolsProblemMarkerInfo(getProject(), -1, m.group(1), SEVERITY_ERROR_BUILD, null,
	AutotoolsProblemMarkerInfo.Type.GENERIC);
	}

	m = checkingFail.matcher(line);
	if (m.matches()) {
	// We know that there is a 'checking for ...' fail.
	// Find the log file containing this check
	AutotoolsProblemMarkerInfo.Type type = getCheckType(m.group(1));
	if (type != null)
	return new AutotoolsProblemMarkerInfo(getProject(), "Missing " + type + " " + m.group(1), SEVERITY_INFO,
	m.group(1), type);
	}

	return null;
	}

	/**
	* Given the name of the filed check object, look for it in the log file
	* file and then examine the configure script to figure out what the type of
	* the check was.
	*
	* @param name
	* @return
	*/
	private AutotoolsProblemMarkerInfo.Type getCheckType(String name) {
	int lineNumber = getErrorConfigLineNumber(name);

	// now open configure file.
	File file = new File(sourcePath + "/configure"); //$NON-NLS-1$
	// If the log file is not present there is nothing we can do.
	if (!file.exists())
	return null;

	try (LineNumberReader reader = new LineNumberReader(new FileReader(file))) {

	// look for something like:
	// if test "${ac_cv_prog_WINDRES+set}" = set; then :
	Pattern errorPattern = Pattern.compile(".ac_cv_([a-z])_.*"); //$NON-NLS-1$

	// skip to the line
	String line = reader.readLine();
	for (int i = 0; i < lineNumber + 10 && line != null; i++) {
	if (i < lineNumber) {
	line = reader.readLine();
	continue;
	}
	Matcher m = errorPattern.matcher(line);
	if (m.matches()) {
	String typeString = m.group(1);
	if (typeString.equals("prog")) //$NON-NLS-1$
	return AutotoolsProblemMarkerInfo.Type.PROG;
	if (typeString.equals("header")) //$NON-NLS-1$
	return AutotoolsProblemMarkerInfo.Type.HEADER;
	if (typeString.equals("file")) //$NON-NLS-1$
	return AutotoolsProblemMarkerInfo.Type.FILE;
	if (typeString.equals("lib")) //$NON-NLS-1$
	return AutotoolsProblemMarkerInfo.Type.LIB;

	return null;
	}
	line = reader.readLine();
	}
	} catch (Exception e) {
	throw new RuntimeException(e);
	}

	return null;
	}

	/**
	* Check the log file for the check for the given name and return the line
	* number in configure where the check occurs.
	*
	* @param name
	* @return
	*/
	private int getErrorConfigLineNumber(String name) {
	File file = new File(buildDir + "/config.log"); //$NON-NLS-1$
	// If the log file is not present there is nothing we can do.
	if (!file.exists())
	return -1;
	try (LineNumberReader reader = new LineNumberReader(new FileReader(file))) {
	Pattern errorPattern = Pattern.compile("configure:(\\d+): checking for " + name); //$NON-NLS-1$
	String line;
	while ((line = reader.readLine()) != null) {
	Matcher m = errorPattern.matcher(line);
	if (m.matches()) {
	return Integer.parseInt(m.group(1));
	}
	}
	} catch (IOException e) {
	return -1;
	}
	return -1;
	}

	@Override
	public IProject getProject() {
	return this.project;
	}

	}